I want to have the user input their first value into the edit box, click the save button (saving the input to an array) and then for them to be able to reinput another value in the same box and then that value also being saved in to the array. I want them to be able to do this as many times as they want until they click the calculate button of which a static box will show them the sum of this array.
I cannot seem to figure out how to set up the array inside the callback, as when i try i usually get: 'Array indices must be positive integers or logical values.' Error.
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